Features Rechargeable Tool This engraving tool is rechargeable, comes with a USB cable, compact designed in pen shape, lightweight and easy to carry. HIGH PERFORMANCE This tool is suitable for various materials, the speed can be adjusted in 3 gears from 5000RPM to 18000RPM, providing high efficiency with low noise. Safe and Reliable The built-in safety protection board and intelligent overload protection chip automatically interrupt the current when the working resistance is too large, thus preventing damage. Easy Operation The ergonomic handle of the body allows you to have precise fingertip control. This tool is easy to use and is perfect for beginners or professionals. Wide range of uses With this tool, you can DIY your work and make unique accessories and gifts, which can be widely used for engraving, grinding, polishing, etching, wiring, grinding, drilling, etc. Specification:Item Type:Electric Engraving Pen Material: aluminium alloy. Battery: 1 x 4.2V lithium battery with 300mAh capacity, comes with built-in battery. Speed:5000 RPM low speed, 1000 RPM medium speed, 18000 RPM high speed. Power: 10W Charging voltage: 5 V. Package list: 1 x electric engraving pen, 4 x engraving bits, 1 x storage box for engravings, 1 x USB cable, 1 x user manual (English language not guaranteed), 1 x storage box Package List 1 x Electric Engraving Pen 4 x Engraving Bit 1 x Engraving Bit Storage Box 1 x USB Cable 1 x User Manual 1 x Storage Box